SS

Shijun Song

YC Yantai Jereh Petroleum Equipment & Technologies Co.: 1 patents #88 of 140Top 65%
Overall (All Time): #2,688,371 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11480040 Electro-hydraulic hybrid drive sand-mixing equipment Maomao Han, Weiwei Liu, Yongcheng Liu, Yipeng WU, Shuwei Li +1 more 2022-10-25